upgrade ember-cli

[stefanpenner]

cold boot:

➜  ember.js git:(master) ✗ ember s
version: 1.13.8
Livereload server on http://localhost:49152
Serving on http://localhost:4200/
[BABEL] Note: The code generator has deoptimised the styling of "ember/tests/routing/basic_test.js" as it exceeds the max of "100KB".

Build successful - 51995ms.

Slowest Trees                                 | Total
----------------------------------------------+---------------------
Babel                                         | 18039ms
Babel                                         | 6207ms

Slowest Trees (cumulative)                    | Total (avg)
----------------------------------------------+---------------------
Babel (19)                                    | 30314ms (1595 ms)
JSHinter (30)                                 | 11452ms (381 ms)
 (30)                                         | 4425ms (147 ms)

warm boot

 ➜  ember.js git:(master) ✗ ember s
version: 1.13.8
Livereload server on http://localhost:49152
Serving on http://localhost:4200/

Build successful - 15967ms.

Slowest Trees                                 | Total
----------------------------------------------+---------------------
Babel                                         | 2381ms
Concat ES6: /ember.debug.js                   | 1504ms
ConcatWithMaps                                | 1118ms
UseStrictRemover                              | 940ms

Slowest Trees (cumulative)                    | Total (avg)
----------------------------------------------+---------------------
 (30)                                         | 4869ms (162 ms)
Babel (19)                                    | 3765ms (198 ms)
ConcatWithMaps (3)                            | 1587ms (529 ms)
Concat ES6: /ember.debug.js (1)               | 1504ms
UseStrictRemover (9)                          | 1335ms (148 ms)
JSHinter (30)                                 | 1173ms (39 ms)

still much to do, but 36,000ms less time after restarts isn't bad.